// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 9.2.8_4
description: >
    Tests that the array returned by SupportedLocales is extensible,
    writable and configurable.
author: Norbert Lindenberg
includes: [testIntl.js]
---*/

function Test() {
    function testNormalProperty(obj, property) {
        var desc = Object.getOwnPropertyDescriptor(obj, property);
        assert.sameValue(desc.writable, true, "Property " + property + " of object returned by SupportedLocales is not writable.");
        assert.sameValue(desc.configurable, true, "Property " + property + " of object returned by SupportedLocales is not configurable.");
    }

    function testLengthProperty(obj, property) {
        var desc = Object.getOwnPropertyDescriptor(obj, property);
        assert.sameValue(desc.writable, true, "Property " + property + " of object returned by SupportedLocales is not writable.");
        assert.sameValue(desc.configurable, false, "Property " + property + " of object returned by SupportedLocales is configurable.");
    }

    testWithIntlConstructors(function (Constructor) {
        var defaultLocale = new Constructor().resolvedOptions().locale;
        var supported = Constructor.supportedLocalesOf([defaultLocale]);
        assert(Object.isExtensible(supported), "Object returned by SupportedLocales is not extensible.");
        for (var i = 0; i < supported.length; i++) {
            testNormalProperty(supported, i);
        }
        testLengthProperty(supported, "length");
    });
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
